Lock Haven, PA Weather Tomorrow

Use tomorrow's Lock Haven weather forecast and the next 5 day outlook to track daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Lock Haven area and around Clinton county, Pennsylvania.
Updated: Thu Oct 22nd 2026 5:00 PM EDT
Lock Haven, PA Weather – 10-22 – Sunny
64° / 33°
Sunny
Sunshine is in the forecast for Lock Haven, with a high of 64°F and a low of 33°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 13.6mph at 6 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 89% at 11 PM and 65% being its lowest at 6 PM. Barometric pressure is its highest of 30.24inHg at 10 PM, a lowest point of 30.13inHg at 6 PM with an avg 30.2inHg.
Lock Haven, PA Weather – 10-23 – Sunny
59° / 36°

Weather Tomorrow

Sunny
A sunny day is in the forecast for Lock Haven, with a high of 59°F and a low of 36°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 6mph and gusts of 15mph at 12 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 97% at 4 AM and 37% being its lowest at 3 PM. Barometric pressure is its highest of 30.48inHg at 10 PM, a lowest point of 30.25inHg at 12 AM with an avg 30.36inHg.
Lock Haven, PA Weather – 10-24 – Sunny
59° / 33°
Sunny
Lock Haven could see a sunny day with daytime highs of 59°F and nighttime lows near 33°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 5mph and gusts of 12.8mph at 12 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 85% at 7 AM and 39% being its lowest at 2 PM. Barometric pressure is its highest of 30.57inHg at 9 AM, a lowest point of 30.46inHg at 3 PM with an avg 30.51inHg.
Lock Haven, PA Weather – 10-25 – Sunny
62° / 33°
Sunny
In Lock Haven, sunshine is likely with a high near 62°F and a low around 33°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 5mph and gusts of 11.9mph at 3 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 88% at 7 AM and 41% being its lowest at 2 PM. Barometric pressure is its highest of 30.59inHg at 9 AM, a lowest point of 30.45inHg at 4 PM with an avg 30.52inHg.
Lock Haven, PA Weather – 10-26 – Sunny
67° / 36°
Sunny
Lock Haven may see a sunny day, with daytime highs of 67°F and overnight lows near 36°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 6mph and gusts of 13.9mph at 11 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 93% at 7 AM and 45% being its lowest at 3 PM. Barometric pressure is its highest of 30.46inHg at 12 AM, a lowest point of 30.23inHg at 4 PM with an avg 30.34inHg.
Lock Haven, PA Weather – 10-27 – Partly Cloudy
57° / 39°
Partly Cloudy
In Lock Haven, overcast conditions are likely with a high near 57°F and a low around 39°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 6mph and gusts of 15.9mph at 8 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 96% at 1 AM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 30.42inHg at 11 AM, a lowest point of 30.29inHg at 1 AM with an avg 30.36inHg.

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